When making modern cameras , people began to_______ plastics for metal.
A、surroundD
暂无解析
Weare_______attherapidprogressMarkhasmadeinthissemester.
Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
Wewon’tallowanyforeigncountryto_______inourinternalaffairs.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
